Ball display apparatus



FIG. 1 is a perspective of the present invention;

FIG. 2 is a front elevation thereof, the right, left and rear elevations being substantially identical thereto;

FIG. 3 is a top plan thereof; and,

FIG. 4 is a bottom plan thereof.

The broken lines shown in the drawings indicate structure and features which form no part of the claimed design. 

The ornamental design for a ball display apparatus, as shown and described. 